389871676837 has 4 divisors (see below), whose sum is σ = 389874957120. Its totient is φ = 389868396556.

The previous prime is 389871676829. The next prime is 389871676853. The reversal of 389871676837 is 738676178983.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 738676178983 = 59 ⋅12519935237.

It is a cyclic number.

It is not a de Polignac number, because 389871676837 - 2³ = 389871676829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 389871676837.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389871676807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1454887 + ... + 1701892.

It is an arithmetic number, because the mean of its divisors is an integer number (97468739280).

Almost surely, 2^389871676837 is an apocalyptic number.

It is an amenable number.

389871676837 is a deficient number, since it is larger than the sum of its proper divisors (3280283).

389871676837 is a wasteful number, since it uses less digits than its factorization.

389871676837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3280282.

The product of its digits is 512096256, while the sum is 73.

The spelling of 389871676837 in words is "three hundred eighty-nine billion, eight hundred seventy-one million, six hundred seventy-six thousand, eight hundred thirty-seven".